Home / 1,097,493.90-1,643,288.40-859,329.60

Finding the Fourth Proportional to 1,097,493.90, 1,643,288.40 and 859,329.60

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Solution

The fourth proportional to 1,097,493.90, 1,643,288.40 and 859,329.60 is: 1,286,682.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,493.90 : 1,643,288.40 = 859,329.60 : x
  2. Step 2: Convert to fraction form
    1,097,493.90/1,643,288.40 = 859,329.60/x
  3. Step 3: Cross multiply
    1,097,493.90x = 1,643,288.40 × 859,329.60
  4. Step 4: Simplify right side
    1,097,493.90x = 1,412,126,363,456.64
  5. Step 5: Solve for x
    x = 1,412,126,363,456.64/1,097,493.90
  6. Step 6: Final answer
    x = 1,286,682.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.